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MIPS: ralink: adds support for RT3883 SoC family
Add support code for rt3883 SOC. The code detects the SoC and registers the clk / pinmux settings. Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5185/
This commit is contained in:
John Crispin
Ralf Baechle
parent
80fb55a951
commit
293840b999
248
arch/mips/include/asm/mach-ralink/rt3883.h
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248
arch/mips/include/asm/mach-ralink/rt3883.h
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@ -0,0 +1,248 @@
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/*
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* Ralink RT3662/RT3883 SoC register definitions
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*
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* Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#ifndef _RT3883_REGS_H_
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#define _RT3883_REGS_H_
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#include <linux/bitops.h>
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#define RT3883_SDRAM_BASE 0x00000000
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#define RT3883_SYSC_BASE 0x10000000
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#define RT3883_TIMER_BASE 0x10000100
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#define RT3883_INTC_BASE 0x10000200
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#define RT3883_MEMC_BASE 0x10000300
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#define RT3883_UART0_BASE 0x10000500
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#define RT3883_PIO_BASE 0x10000600
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#define RT3883_FSCC_BASE 0x10000700
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#define RT3883_NANDC_BASE 0x10000810
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#define RT3883_I2C_BASE 0x10000900
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#define RT3883_I2S_BASE 0x10000a00
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#define RT3883_SPI_BASE 0x10000b00
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#define RT3883_UART1_BASE 0x10000c00
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#define RT3883_PCM_BASE 0x10002000
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#define RT3883_GDMA_BASE 0x10002800
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#define RT3883_CODEC1_BASE 0x10003000
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#define RT3883_CODEC2_BASE 0x10003800
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#define RT3883_FE_BASE 0x10100000
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#define RT3883_ROM_BASE 0x10118000
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#define RT3883_USBDEV_BASE 0x10112000
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#define RT3883_PCI_BASE 0x10140000
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#define RT3883_WLAN_BASE 0x10180000
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#define RT3883_USBHOST_BASE 0x101c0000
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#define RT3883_BOOT_BASE 0x1c000000
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#define RT3883_SRAM_BASE 0x1e000000
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#define RT3883_PCIMEM_BASE 0x20000000
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#define RT3883_EHCI_BASE (RT3883_USBHOST_BASE)
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#define RT3883_OHCI_BASE (RT3883_USBHOST_BASE + 0x1000)
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#define RT3883_SYSC_SIZE 0x100
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#define RT3883_TIMER_SIZE 0x100
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#define RT3883_INTC_SIZE 0x100
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#define RT3883_MEMC_SIZE 0x100
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#define RT3883_UART0_SIZE 0x100
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#define RT3883_UART1_SIZE 0x100
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#define RT3883_PIO_SIZE 0x100
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#define RT3883_FSCC_SIZE 0x100
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#define RT3883_NANDC_SIZE 0x0f0
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#define RT3883_I2C_SIZE 0x100
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#define RT3883_I2S_SIZE 0x100
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#define RT3883_SPI_SIZE 0x100
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#define RT3883_PCM_SIZE 0x800
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#define RT3883_GDMA_SIZE 0x800
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#define RT3883_CODEC1_SIZE 0x800
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#define RT3883_CODEC2_SIZE 0x800
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#define RT3883_FE_SIZE 0x10000
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#define RT3883_ROM_SIZE 0x4000
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#define RT3883_USBDEV_SIZE 0x4000
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#define RT3883_PCI_SIZE 0x40000
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#define RT3883_WLAN_SIZE 0x40000
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#define RT3883_USBHOST_SIZE 0x40000
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#define RT3883_BOOT_SIZE (32 * 1024 * 1024)
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#define RT3883_SRAM_SIZE (32 * 1024 * 1024)
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/* SYSC registers */
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#define RT3883_SYSC_REG_CHIPID0_3 0x00 /* Chip ID 0 */
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#define RT3883_SYSC_REG_CHIPID4_7 0x04 /* Chip ID 1 */
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#define RT3883_SYSC_REG_REVID 0x0c /* Chip Revision Identification */
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#define RT3883_SYSC_REG_SYSCFG0 0x10 /* System Configuration 0 */
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#define RT3883_SYSC_REG_SYSCFG1 0x14 /* System Configuration 1 */
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#define RT3883_SYSC_REG_CLKCFG0 0x2c /* Clock Configuration 0 */
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#define RT3883_SYSC_REG_CLKCFG1 0x30 /* Clock Configuration 1 */
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#define RT3883_SYSC_REG_RSTCTRL 0x34 /* Reset Control*/
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#define RT3883_SYSC_REG_RSTSTAT 0x38 /* Reset Status*/
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#define RT3883_SYSC_REG_USB_PS 0x5c /* USB Power saving control */
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#define RT3883_SYSC_REG_GPIO_MODE 0x60 /* GPIO Purpose Select */
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#define RT3883_SYSC_REG_PCIE_CLK_GEN0 0x7c
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#define RT3883_SYSC_REG_PCIE_CLK_GEN1 0x80
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#define RT3883_SYSC_REG_PCIE_CLK_GEN2 0x84
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#define RT3883_SYSC_REG_PMU 0x88
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#define RT3883_SYSC_REG_PMU1 0x8c
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#define RT3883_CHIP_NAME0 0x38335452
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#define RT3883_CHIP_NAME1 0x20203338
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#define RT3883_REVID_VER_ID_MASK 0x0f
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#define RT3883_REVID_VER_ID_SHIFT 8
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#define RT3883_REVID_ECO_ID_MASK 0x0f
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#define RT3883_SYSCFG0_DRAM_TYPE_DDR2 BIT(17)
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#define RT3883_SYSCFG0_CPUCLK_SHIFT 8
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#define RT3883_SYSCFG0_CPUCLK_MASK 0x3
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#define RT3883_SYSCFG0_CPUCLK_250 0x0
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#define RT3883_SYSCFG0_CPUCLK_384 0x1
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#define RT3883_SYSCFG0_CPUCLK_480 0x2
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#define RT3883_SYSCFG0_CPUCLK_500 0x3
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#define RT3883_SYSCFG1_USB0_HOST_MODE BIT(10)
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#define RT3883_SYSCFG1_PCIE_RC_MODE BIT(8)
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#define RT3883_SYSCFG1_PCI_HOST_MODE BIT(7)
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#define RT3883_SYSCFG1_PCI_66M_MODE BIT(6)
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#define RT3883_SYSCFG1_GPIO2_AS_WDT_OUT BIT(2)
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#define RT3883_CLKCFG1_PCIE_CLK_EN BIT(21)
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#define RT3883_CLKCFG1_UPHY1_CLK_EN BIT(20)
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#define RT3883_CLKCFG1_PCI_CLK_EN BIT(19)
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#define RT3883_CLKCFG1_UPHY0_CLK_EN BIT(18)
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#define RT3883_GPIO_MODE_I2C BIT(0)
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#define RT3883_GPIO_MODE_SPI BIT(1)
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#define RT3883_GPIO_MODE_UART0_SHIFT 2
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#define RT3883_GPIO_MODE_UART0_MASK 0x7
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#define RT3883_GPIO_MODE_UART0(x) ((x) << RT3883_GPIO_MODE_UART0_SHIFT)
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#define RT3883_GPIO_MODE_UARTF 0x0
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#define RT3883_GPIO_MODE_PCM_UARTF 0x1
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#define RT3883_GPIO_MODE_PCM_I2S 0x2
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#define RT3883_GPIO_MODE_I2S_UARTF 0x3
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#define RT3883_GPIO_MODE_PCM_GPIO 0x4
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#define RT3883_GPIO_MODE_GPIO_UARTF 0x5
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#define RT3883_GPIO_MODE_GPIO_I2S 0x6
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#define RT3883_GPIO_MODE_GPIO 0x7
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#define RT3883_GPIO_MODE_UART1 BIT(5)
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#define RT3883_GPIO_MODE_JTAG BIT(6)
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#define RT3883_GPIO_MODE_MDIO BIT(7)
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#define RT3883_GPIO_MODE_GE1 BIT(9)
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#define RT3883_GPIO_MODE_GE2 BIT(10)
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#define RT3883_GPIO_MODE_PCI_SHIFT 11
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#define RT3883_GPIO_MODE_PCI_MASK 0x7
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#define RT3883_GPIO_MODE_PCI (RT3883_GPIO_MODE_PCI_MASK << RT3883_GPIO_MODE_PCI_SHIFT)
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#define RT3883_GPIO_MODE_LNA_A_SHIFT 16
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#define RT3883_GPIO_MODE_LNA_A_MASK 0x3
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#define _RT3883_GPIO_MODE_LNA_A(_x) ((_x) << RT3883_GPIO_MODE_LNA_A_SHIFT)
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#define RT3883_GPIO_MODE_LNA_A_GPIO 0x3
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#define RT3883_GPIO_MODE_LNA_A _RT3883_GPIO_MODE_LNA_A(RT3883_GPIO_MODE_LNA_A_MASK)
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#define RT3883_GPIO_MODE_LNA_G_SHIFT 18
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#define RT3883_GPIO_MODE_LNA_G_MASK 0x3
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#define _RT3883_GPIO_MODE_LNA_G(_x) ((_x) << RT3883_GPIO_MODE_LNA_G_SHIFT)
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#define RT3883_GPIO_MODE_LNA_G_GPIO 0x3
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#define RT3883_GPIO_MODE_LNA_G _RT3883_GPIO_MODE_LNA_G(RT3883_GPIO_MODE_LNA_G_MASK)
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#define RT3883_GPIO_I2C_SD 1
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#define RT3883_GPIO_I2C_SCLK 2
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#define RT3883_GPIO_SPI_CS0 3
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#define RT3883_GPIO_SPI_CLK 4
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#define RT3883_GPIO_SPI_MOSI 5
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#define RT3883_GPIO_SPI_MISO 6
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#define RT3883_GPIO_7 7
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#define RT3883_GPIO_10 10
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#define RT3883_GPIO_11 11
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#define RT3883_GPIO_14 14
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#define RT3883_GPIO_UART1_TXD 15
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#define RT3883_GPIO_UART1_RXD 16
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#define RT3883_GPIO_JTAG_TDO 17
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#define RT3883_GPIO_JTAG_TDI 18
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#define RT3883_GPIO_JTAG_TMS 19
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#define RT3883_GPIO_JTAG_TCLK 20
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#define RT3883_GPIO_JTAG_TRST_N 21
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#define RT3883_GPIO_MDIO_MDC 22
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#define RT3883_GPIO_MDIO_MDIO 23
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#define RT3883_GPIO_LNA_PE_A0 32
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#define RT3883_GPIO_LNA_PE_A1 33
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#define RT3883_GPIO_LNA_PE_A2 34
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#define RT3883_GPIO_LNA_PE_G0 35
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#define RT3883_GPIO_LNA_PE_G1 36
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#define RT3883_GPIO_LNA_PE_G2 37
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#define RT3883_GPIO_PCI_AD0 40
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#define RT3883_GPIO_PCI_AD31 71
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#define RT3883_GPIO_GE2_TXD0 72
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#define RT3883_GPIO_GE2_TXD1 73
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#define RT3883_GPIO_GE2_TXD2 74
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#define RT3883_GPIO_GE2_TXD3 75
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#define RT3883_GPIO_GE2_TXEN 76
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#define RT3883_GPIO_GE2_TXCLK 77
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#define RT3883_GPIO_GE2_RXD0 78
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#define RT3883_GPIO_GE2_RXD1 79
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#define RT3883_GPIO_GE2_RXD2 80
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#define RT3883_GPIO_GE2_RXD3 81
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#define RT3883_GPIO_GE2_RXDV 82
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#define RT3883_GPIO_GE2_RXCLK 83
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#define RT3883_GPIO_GE1_TXD0 84
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#define RT3883_GPIO_GE1_TXD1 85
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#define RT3883_GPIO_GE1_TXD2 86
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#define RT3883_GPIO_GE1_TXD3 87
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#define RT3883_GPIO_GE1_TXEN 88
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#define RT3883_GPIO_GE1_TXCLK 89
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#define RT3883_GPIO_GE1_RXD0 90
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#define RT3883_GPIO_GE1_RXD1 91
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#define RT3883_GPIO_GE1_RXD2 92
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#define RT3883_GPIO_GE1_RXD3 93
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#define RT3883_GPIO_GE1_RXDV 94
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#define RT3883_GPIO_GE1_RXCLK 95
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#define RT3883_RSTCTRL_PCIE_PCI_PDM BIT(27)
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#define RT3883_RSTCTRL_FLASH BIT(26)
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#define RT3883_RSTCTRL_UDEV BIT(25)
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#define RT3883_RSTCTRL_PCI BIT(24)
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#define RT3883_RSTCTRL_PCIE BIT(23)
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#define RT3883_RSTCTRL_UHST BIT(22)
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#define RT3883_RSTCTRL_FE BIT(21)
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#define RT3883_RSTCTRL_WLAN BIT(20)
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#define RT3883_RSTCTRL_UART1 BIT(29)
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#define RT3883_RSTCTRL_SPI BIT(18)
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#define RT3883_RSTCTRL_I2S BIT(17)
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#define RT3883_RSTCTRL_I2C BIT(16)
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#define RT3883_RSTCTRL_NAND BIT(15)
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#define RT3883_RSTCTRL_DMA BIT(14)
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#define RT3883_RSTCTRL_PIO BIT(13)
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#define RT3883_RSTCTRL_UART BIT(12)
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#define RT3883_RSTCTRL_PCM BIT(11)
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#define RT3883_RSTCTRL_MC BIT(10)
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#define RT3883_RSTCTRL_INTC BIT(9)
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#define RT3883_RSTCTRL_TIMER BIT(8)
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#define RT3883_RSTCTRL_SYS BIT(0)
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#define RT3883_INTC_INT_SYSCTL BIT(0)
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#define RT3883_INTC_INT_TIMER0 BIT(1)
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#define RT3883_INTC_INT_TIMER1 BIT(2)
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#define RT3883_INTC_INT_IA BIT(3)
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#define RT3883_INTC_INT_PCM BIT(4)
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#define RT3883_INTC_INT_UART0 BIT(5)
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#define RT3883_INTC_INT_PIO BIT(6)
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#define RT3883_INTC_INT_DMA BIT(7)
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#define RT3883_INTC_INT_NAND BIT(8)
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#define RT3883_INTC_INT_PERFC BIT(9)
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#define RT3883_INTC_INT_I2S BIT(10)
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#define RT3883_INTC_INT_UART1 BIT(12)
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#define RT3883_INTC_INT_UHST BIT(18)
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#define RT3883_INTC_INT_UDEV BIT(19)
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/* FLASH/SRAM/Codec Controller registers */
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#define RT3883_FSCC_REG_FLASH_CFG0 0x00
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#define RT3883_FSCC_REG_FLASH_CFG1 0x04
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#define RT3883_FSCC_REG_CODEC_CFG0 0x40
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#define RT3883_FSCC_REG_CODEC_CFG1 0x44
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#define RT3883_FLASH_CFG_WIDTH_SHIFT 26
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#define RT3883_FLASH_CFG_WIDTH_MASK 0x3
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#define RT3883_FLASH_CFG_WIDTH_8BIT 0x0
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#define RT3883_FLASH_CFG_WIDTH_16BIT 0x1
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#define RT3883_FLASH_CFG_WIDTH_32BIT 0x2
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#endif /* _RT3883_REGS_H_ */
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@ -15,6 +15,11 @@ choice
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select USB_ARCH_HAS_OHCI
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select USB_ARCH_HAS_EHCI
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config SOC_RT3883
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bool "RT3883"
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select USB_ARCH_HAS_OHCI
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select USB_ARCH_HAS_EHCI
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endchoice
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choice
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@ -10,6 +10,7 @@ obj-y := prom.o of.o reset.o clk.o irq.o
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obj-$(CONFIG_SOC_RT288X) += rt288x.o
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obj-$(CONFIG_SOC_RT305X) += rt305x.o
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obj-$(CONFIG_SOC_RT3883) += rt3883.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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@ -13,3 +13,8 @@ load-$(CONFIG_SOC_RT288X) += 0xffffffff88000000
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# Ralink RT305x
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#
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load-$(CONFIG_SOC_RT305X) += 0xffffffff80000000
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#
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# Ralink RT3883
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#
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load-$(CONFIG_SOC_RT3883) += 0xffffffff80000000
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242
arch/mips/ralink/rt3883.c
Normal file
242
arch/mips/ralink/rt3883.c
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@ -0,0 +1,242 @@
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Parts of this file are based on Ralink's 2.6.21 BSP
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*
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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* Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <asm/mipsregs.h>
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#include <asm/mach-ralink/ralink_regs.h>
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#include <asm/mach-ralink/rt3883.h>
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#include "common.h"
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static struct ralink_pinmux_grp mode_mux[] = {
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{
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.name = "i2c",
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.mask = RT3883_GPIO_MODE_I2C,
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.gpio_first = RT3883_GPIO_I2C_SD,
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.gpio_last = RT3883_GPIO_I2C_SCLK,
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}, {
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.name = "spi",
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.mask = RT3883_GPIO_MODE_SPI,
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.gpio_first = RT3883_GPIO_SPI_CS0,
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.gpio_last = RT3883_GPIO_SPI_MISO,
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}, {
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.name = "uartlite",
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.mask = RT3883_GPIO_MODE_UART1,
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.gpio_first = RT3883_GPIO_UART1_TXD,
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.gpio_last = RT3883_GPIO_UART1_RXD,
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}, {
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.name = "jtag",
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.mask = RT3883_GPIO_MODE_JTAG,
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.gpio_first = RT3883_GPIO_JTAG_TDO,
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.gpio_last = RT3883_GPIO_JTAG_TCLK,
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}, {
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.name = "mdio",
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.mask = RT3883_GPIO_MODE_MDIO,
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.gpio_first = RT3883_GPIO_MDIO_MDC,
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.gpio_last = RT3883_GPIO_MDIO_MDIO,
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}, {
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.name = "ge1",
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.mask = RT3883_GPIO_MODE_GE1,
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.gpio_first = RT3883_GPIO_GE1_TXD0,
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.gpio_last = RT3883_GPIO_GE1_RXCLK,
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}, {
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.name = "ge2",
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.mask = RT3883_GPIO_MODE_GE2,
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.gpio_first = RT3883_GPIO_GE2_TXD0,
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.gpio_last = RT3883_GPIO_GE2_RXCLK,
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}, {
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.name = "pci",
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.mask = RT3883_GPIO_MODE_PCI,
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.gpio_first = RT3883_GPIO_PCI_AD0,
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.gpio_last = RT3883_GPIO_PCI_AD31,
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}, {
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.name = "lna a",
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.mask = RT3883_GPIO_MODE_LNA_A,
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.gpio_first = RT3883_GPIO_LNA_PE_A0,
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.gpio_last = RT3883_GPIO_LNA_PE_A2,
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}, {
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.name = "lna g",
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.mask = RT3883_GPIO_MODE_LNA_G,
|
||||
.gpio_first = RT3883_GPIO_LNA_PE_G0,
|
||||
.gpio_last = RT3883_GPIO_LNA_PE_G2,
|
||||
}, {0}
|
||||
};
|
||||
|
||||
static struct ralink_pinmux_grp uart_mux[] = {
|
||||
{
|
||||
.name = "uartf",
|
||||
.mask = RT3883_GPIO_MODE_UARTF,
|
||||
.gpio_first = RT3883_GPIO_7,
|
||||
.gpio_last = RT3883_GPIO_14,
|
||||
}, {
|
||||
.name = "pcm uartf",
|
||||
.mask = RT3883_GPIO_MODE_PCM_UARTF,
|
||||
.gpio_first = RT3883_GPIO_7,
|
||||
.gpio_last = RT3883_GPIO_14,
|
||||
}, {
|
||||
.name = "pcm i2s",
|
||||
.mask = RT3883_GPIO_MODE_PCM_I2S,
|
||||
.gpio_first = RT3883_GPIO_7,
|
||||
.gpio_last = RT3883_GPIO_14,
|
||||
}, {
|
||||
.name = "i2s uartf",
|
||||
.mask = RT3883_GPIO_MODE_I2S_UARTF,
|
||||
.gpio_first = RT3883_GPIO_7,
|
||||
.gpio_last = RT3883_GPIO_14,
|
||||
}, {
|
||||
.name = "pcm gpio",
|
||||
.mask = RT3883_GPIO_MODE_PCM_GPIO,
|
||||
.gpio_first = RT3883_GPIO_11,
|
||||
.gpio_last = RT3883_GPIO_14,
|
||||
}, {
|
||||
.name = "gpio uartf",
|
||||
.mask = RT3883_GPIO_MODE_GPIO_UARTF,
|
||||
.gpio_first = RT3883_GPIO_7,
|
||||
.gpio_last = RT3883_GPIO_10,
|
||||
}, {
|
||||
.name = "gpio i2s",
|
||||
.mask = RT3883_GPIO_MODE_GPIO_I2S,
|
||||
.gpio_first = RT3883_GPIO_7,
|
||||
.gpio_last = RT3883_GPIO_10,
|
||||
}, {
|
||||
.name = "gpio",
|
||||
.mask = RT3883_GPIO_MODE_GPIO,
|
||||
}, {0}
|
||||
};
|
||||
|
||||
static struct ralink_pinmux_grp pci_mux[] = {
|
||||
{
|
||||
.name = "pci-dev",
|
||||
.mask = 0,
|
||||
.gpio_first = RT3883_GPIO_PCI_AD0,
|
||||
.gpio_last = RT3883_GPIO_PCI_AD31,
|
||||
}, {
|
||||
.name = "pci-host2",
|
||||
.mask = 1,
|
||||
.gpio_first = RT3883_GPIO_PCI_AD0,
|
||||
.gpio_last = RT3883_GPIO_PCI_AD31,
|
||||
}, {
|
||||
.name = "pci-host1",
|
||||
.mask = 2,
|
||||
.gpio_first = RT3883_GPIO_PCI_AD0,
|
||||
.gpio_last = RT3883_GPIO_PCI_AD31,
|
||||
}, {
|
||||
.name = "pci-fnc",
|
||||
.mask = 3,
|
||||
.gpio_first = RT3883_GPIO_PCI_AD0,
|
||||
.gpio_last = RT3883_GPIO_PCI_AD31,
|
||||
}, {
|
||||
.name = "pci-gpio",
|
||||
.mask = 7,
|
||||
.gpio_first = RT3883_GPIO_PCI_AD0,
|
||||
.gpio_last = RT3883_GPIO_PCI_AD31,
|
||||
}, {0}
|
||||
};
|
||||
|
||||
static void rt3883_wdt_reset(void)
|
||||
{
|
||||
u32 t;
|
||||
|
||||
/* enable WDT reset output on GPIO 2 */
|
||||
t = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG1);
|
||||
t |= RT3883_SYSCFG1_GPIO2_AS_WDT_OUT;
|
||||
rt_sysc_w32(t, RT3883_SYSC_REG_SYSCFG1);
|
||||
}
|
||||
|
||||
struct ralink_pinmux rt_gpio_pinmux = {
|
||||
.mode = mode_mux,
|
||||
.uart = uart_mux,
|
||||
.uart_shift = RT3883_GPIO_MODE_UART0_SHIFT,
|
||||
.uart_mask = RT3883_GPIO_MODE_UART0_MASK,
|
||||
.wdt_reset = rt3883_wdt_reset,
|
||||
.pci = pci_mux,
|
||||
.pci_shift = RT3883_GPIO_MODE_PCI_SHIFT,
|
||||
.pci_mask = RT3883_GPIO_MODE_PCI_MASK,
|
||||
};
|
||||
|
||||
void __init ralink_clk_init(void)
|
||||
{
|
||||
unsigned long cpu_rate, sys_rate;
|
||||
u32 syscfg0;
|
||||
u32 clksel;
|
||||
u32 ddr2;
|
||||
|
||||
syscfg0 = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG0);
|
||||
clksel = ((syscfg0 >> RT3883_SYSCFG0_CPUCLK_SHIFT) &
|
||||
RT3883_SYSCFG0_CPUCLK_MASK);
|
||||
ddr2 = syscfg0 & RT3883_SYSCFG0_DRAM_TYPE_DDR2;
|
||||
|
||||
switch (clksel) {
|
||||
case RT3883_SYSCFG0_CPUCLK_250:
|
||||
cpu_rate = 250000000;
|
||||
sys_rate = (ddr2) ? 125000000 : 83000000;
|
||||
break;
|
||||
case RT3883_SYSCFG0_CPUCLK_384:
|
||||
cpu_rate = 384000000;
|
||||
sys_rate = (ddr2) ? 128000000 : 96000000;
|
||||
break;
|
||||
case RT3883_SYSCFG0_CPUCLK_480:
|
||||
cpu_rate = 480000000;
|
||||
sys_rate = (ddr2) ? 160000000 : 120000000;
|
||||
break;
|
||||
case RT3883_SYSCFG0_CPUCLK_500:
|
||||
cpu_rate = 500000000;
|
||||
sys_rate = (ddr2) ? 166000000 : 125000000;
|
||||
break;
|
||||
}
|
||||
|
||||
ralink_clk_add("cpu", cpu_rate);
|
||||
ralink_clk_add("10000100.timer", sys_rate);
|
||||
ralink_clk_add("10000120.watchdog", sys_rate);
|
||||
ralink_clk_add("10000500.uart", 40000000);
|
||||
ralink_clk_add("10000b00.spi", sys_rate);
|
||||
ralink_clk_add("10000c00.uartlite", 40000000);
|
||||
ralink_clk_add("10100000.ethernet", sys_rate);
|
||||
}
|
||||
|
||||
void __init ralink_of_remap(void)
|
||||
{
|
||||
rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
|
||||
rt_memc_membase = plat_of_remap_node("ralink,rt3883-memc");
|
||||
|
||||
if (!rt_sysc_membase || !rt_memc_membase)
|
||||
panic("Failed to remap core resources");
|
||||
}
|
||||
|
||||
void prom_soc_init(struct ralink_soc_info *soc_info)
|
||||
{
|
||||
void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE);
|
||||
const char *name;
|
||||
u32 n0;
|
||||
u32 n1;
|
||||
u32 id;
|
||||
|
||||
n0 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID0_3);
|
||||
n1 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID4_7);
|
||||
id = __raw_readl(sysc + RT3883_SYSC_REG_REVID);
|
||||
|
||||
if (n0 == RT3883_CHIP_NAME0 && n1 == RT3883_CHIP_NAME1) {
|
||||
soc_info->compatible = "ralink,rt3883-soc";
|
||||
name = "RT3883";
|
||||
} else {
|
||||
panic("rt3883: unknown SoC, n0:%08x n1:%08x", n0, n1);
|
||||
}
|
||||
|
||||
snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN,
|
||||
"Ralink %s ver:%u eco:%u",
|
||||
name,
|
||||
(id >> RT3883_REVID_VER_ID_SHIFT) & RT3883_REVID_VER_ID_MASK,
|
||||
(id & RT3883_REVID_ECO_ID_MASK));
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user